What We Know About the Caso Surname

Start with the numbers and the Caso surname comes into focus. INSEE counts 222 people born in France with the Caso surname between 1891 and 2000; the busiest decade was 1961–1970. The name became more frequent over the century. Spanish register data show 1,699 residents carrying Caso as first surname, and 1,635 as second surname.

• In Wikidata, Caso is listed as a Spanish surname.
• We don't publish a meaning for Caso without a reliable source. Our researchers work it out from the records of each family.

Caso coat of arms

Sharing the Caso name is not the same as sharing a crest; arms were granted to individual families. Want more than a summary? See the Caso family name pack.